Proved by practice, bottom blowing arc furnaces have got fine effect and will have good prospect.

实践证明，底吹电炉取得了良好的冶金效果，并具有发展前景。

youdao

Proved by practice, bottom blowing arc furnaces have got fine effect and will have good prospect.

实践证明，底吹电炉取得了良好的冶金效果，并具有发展前景。

youdao